Consider the following statements:

1. The Information Technology Act, of 2000 is the primary law in India for matters related to cybercrime and e-commerce.

2. Under this law, for any crime involving a computer or a network located in India, foreign nationals can also be charged.

3. It also gives legal recognition to digital signatures.

4. In the wake of the recent Indo-China border clash, the Government of India banned various Chinese apps under the Information Technology Act.

Which of the statements given above are correct?